* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

li {
    list-style: none;
}

a {
    text-decoration: none;
}

img {
    width: 100%;
    vertical-align: middle;
}

.box {
    width: 1110px;
    height: 247px;
    margin: 20px auto;
}

.box li {
    position: relative;
    float: left;
    width: 350px;
    height: 247px;
    margin-right: 30px;
    overflow: hidden;
}

.box li:last-child {
    margin-right: 0;
}







